How do I add the customer’s first name only to email template.
{{ recipient.name }} adds the customer’s full name.
I’ve also tried {{ recipient.name | truncatewords: 1, “” }} with no success.
I would like to have:

This is not possible. {{ recipient.name }} is a single string and will return whatever you have entered into that field when defining the customer. If you want only first names, you will have to enter only first names. But, of course, it won’t do to send an invoice to “Judy.”